Douglas Bradford Mogul, M.D., Ph.D., M.P.H.

Headshot of Douglas Bradford Mogul
  • Associate Professor of Pediatrics


Biliary Atresia, Hepatitis B (HBV), Hepatitis C (HCV), Liver Disease, Pediatric Gastroenterology, Pediatric Liver Transplant more

Research Interests

Screening for neonatal liver disease; Viral Hepatitis; Cost of pediatric liver disease; Pediatric liver diseases; Congenital disorders of digestion and absorption more

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Outside of Maryland & Washington D.C.

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The Johns Hopkins Hospital

Appointment Phone: 410-955-8769
600 N. Wolfe Street
The Childrens Center, Brady Building, # 320
Baltimore, MD 21287 map
Phone: 410-955-8769


Dr. Douglas Mogul is an Assistant Professor of Pediatrics in the Division of Pediatric Gastroenterology and Hepatology at the Johns Hopkins University School of Medicine. His clinical practice focuses on liver disease and transplantation including disorders such as neonatal cholestasis, autoimmune hepatitis, acute liver failure and viral hepatitis.

Dr. Mogul received his medical degree from the Albert Einstein College of Medicine. He completed his residency at the Lucile Packard Children’s Hospital of Stanford University and did a fellowship in pediatric gastroenterology at Johns Hopkins before joining the faculty in 2012.

In addition to patient care, Dr. Mogul is involved in a number of research and advocacy projects in pediatric liver disease. He is the Principal Investigator on an NIH-funded project to improve pediatric liver transplant allocation. He is also an investigator with the NIH Hepatitis B Research Network and is involved in multi-center research with hepatitis C virus. 

Dr. Mogul has also developed several digital tools to help children with liver disease including PoopMD, a mobile health application that integrates a smartphone's camera with color recognition software to screen for biliary atresia, the most common cause of pediatric liver failure. Most recently, Dr. Mogul, in collaboration with the Johns Hopkins Technology Innovation Center, has developed a Facebook-integrated app for online liver disease groups in order to strengthen these communities, and create a bridge to health information and healthcare providers.

Dr. Mogul has received several awards for his research including the Young Faculty Clinical Research Award from the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition. more



  • MD; Albert Einstein College of Medicine (2006)


  • Pediatrics; Lucile Salter Packard Children's Hospital at Stanford (2009)


  • Pediatric Gastroenterology; Johns Hopkins University School of Medicine (2012)

Board Certifications

  • American Board of Pediatrics (Pediatric Gastroenterology) (2013)
  • American Board of Pediatrics (Pediatrics) (2009)

Additional Training

PhD, Johns Hopkins Bloomberg School of Public Health (Maryland) (2019)

Research & Publications

Research Summary

Dr. Mogul’s research interests include the cost of pediatric liver disease, viral hepatitis and screening for neonatal liver disease.

He is also an investigator with NIH Hepatitis B Research Network, which is developing the largest natural history study in the United States of children with hepatitis B as well as a clinical trial for children with immune tolerant HBV. He is involved in multicenter research with hepatitis C virus. 

Clinical Trial Keywords

Hepatitis B; Hepatitis C

Activities & Honors


  • Resident Teacher Award, Lucile Packard Children's Hospital of Stanford University, 2009
  • Postdoctoral Fellowship, NRSA
  • Clinical Research Award "Methylation of the viral genome in patients with HBV", American College of Gastroenterology


  • North American Society for Pediatric Gastroenterology, Hepatology and Nutrition

Professional Activities

  • Investigator, NIH Hepatitis B Research Network

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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